DeWalt DWFP55120 - Troubleshooting Specific Issues; Pressure Switch and Air Leaks; Air Tank Defects

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English
Problem Code
Excessive air tank pressure-safety valve pops off ......................................................................1, 2
Air leaks .................................................................................................................................... 3
Air leaks in air tank or at air tank welds ....................................................................................4
Air leaks between head and valve plate ....................................................................................5
Air leaks from safety valve.........................................................................................................6
KnockingNoise .......................................................................................................................... 6
Pressure reading on the regulated pressure gauge drops when an accessory is used ...........7
Compressor is not supplying enough air to operate accessories..............................................8, 9, 10, 11, 12
Regulator knob has continuous air leak ....................................................................................13
Regulator will not shut off air outlet ...........................................................................................13
Motor will not run .......................................................................................................................14, 15, 16, 17, 18, 19
Troubleshooting Codes
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
1 Pressure switch does not shut off motor when
compressor reaches cut-out pressure
Set the On/Off switch to OFF, if the unit does not shut off contact a D e WALT
factory service center or a D e WALTauthorizedservicecenter.
2 Pressure switch cut-out too high Contact a D e WALTfactoryservicecenteroraD e WALTauthorizedservice
center.
3 Tube fittings are not tight enough Tighten fittings where air can be heard escaping. Check fittings with soapy
water solution. Do Not Overtighten.
4 Defective air tank Air tank must be replaced. Do not repair the leak.
WARNING: Risk of bursting. Do not drill into, weld or otherwise modify air
tank or it will weaken. The air tank can rupture or explode.
5 Leaking seals Contact a D e WALTfactoryservicecenteroraD e WALTauthorizedservice
center.